Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, a Piezo Sensor, a MAX30100 sensor, a buzzer, and a resistor. The circuit is designed to interface these components with the Arduino UNO for various sensing and output functionalities.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

Piezo Sensor

• Description: A sensor that generates a voltage when it is physically deformed.
• Pins: +, -

MAX30100

• Description: A pulse oximeter and heart-rate sensor.
• Pins: Vin, gnd, scl, sda, int

Buzzer

• Description: An audio signaling device.
• Pins: PIN, GND

Resistor

• Description: A passive electrical component that implements electrical resistance.
• Pins: pin1, pin2
• Properties:
  • Resistance: 200 Ohms

Wiring Details

Arduino UNO

• GND: Connected to the GND of the Piezo Sensor, GND of the buzzer, GND of the MAX30100, and pin1 of the Resistor.
• A3: Connected to the + pin of the Piezo Sensor and pin2 of the Resistor.
• 3.3V: Connected to the Vin of the MAX30100.
• A5: Connected to the scl of the MAX30100.
• A4: Connected to the sda of the MAX30100.
• D3: Connected to the PIN of the buzzer.

Piezo Sensor

• -: Connected to the GND of the Arduino UNO, GND of the buzzer, GND of the MAX30100, and pin1 of the Resistor.
• +: Connected to the A3 of the Arduino UNO and pin2 of the Resistor.

MAX30100

• Vin: Connected to the 3.3V of the Arduino UNO.
• gnd: Connected to the GND of the Arduino UNO, GND of the Piezo Sensor, GND of the buzzer, and pin1 of the Resistor.
• scl: Connected to the A5 of the Arduino UNO.
• sda: Connected to the A4 of the Arduino UNO.

Buzzer

• PIN: Connected to the D3 of the Arduino UNO.
• GND: Connected to the GND of the Arduino UNO, GND of the Piezo Sensor, GND of the MAX30100, and pin1 of the Resistor.

Resistor

• pin1: Connected to the GND of the Arduino UNO, GND of the Piezo Sensor, GND of the buzzer, and GND of the MAX30100.
• pin2: Connected to the + pin of the Piezo Sensor and A3 of the Arduino UNO.

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)

This document provides a comprehensive overview of the circuit, including the components used, their wiring details, and the code running on the Arduino UNO.